Justin Bieber's Very Shirtless 2013: The Most Un

MTV.comJustin Bieber's Very Shirtless 2013: The Most Un-Beliebable MomentsMTV.comAlmost everywhere Justin Bieber went in 2013, he did so without a shirt on, making him the most-shirtless pop star in the history of the music industry — a statistic we totally made up, but given the photo evidence it just might be true. On his ...